There are 12 14-letter words that end with 'nation'.
dechlorination | discrimination |
disinclination | conglutination |
exsanguination | foreordination |
incoordination | indoctrination |
predestination | pretermination |
repristination | transamination |
Note: These 12 14-letter words that end with 'nation' are found from the USA & Canada version of the tournament Scrabble word list.